1. Kharkiv National University of Radio Electronics,Systems Engineering Department,Kharkiv,Ukraine
2. Kharkiv National Medical University,Department of Enternal and Occupational Diseases,Kharkiv,Ukraine
3. Kharkiv National Medical University,Department of Obstetrics and Gynecology No1,Kharkiv,Ukraine
4. Kharkiv National Medical University,Department of Otorhinolaryngology,Kharkiv,Ukraine
5. Kharkiv National Medical University,Department of Pathological Anatomy,Kharkiv,Ukraine